Javascript examples.

Examples/javascript/template/Makefile

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+TOP = ../..
+SWIG = $(TOP)/../preinst-swig
+CXXSRCS    = example.cxx
+JS_SCRIPT = runme.js
+TARGET = example
+INTERFACE = example.i
+
+wrapper::
+	$(MAKE) -f $(TOP)/Makefile CXXSRCS='$(CXXSRCS)' SWIG='$(SWIG)' \
+	SWIGOPT='$(SWIGOPT)' TARGET='$(TARGET)' INTERFACE='$(INTERFACE)' javascript_wrapper_cpp
+
+build:: wrapper
+	$(MAKE) -f $(TOP)/Makefile CXXSRCS='$(CXXSRCS)' SWIG='$(SWIG)' \
+	SWIGOPT='$(SWIGOPT)' TARGET='$(TARGET)' INTERFACE='$(INTERFACE)' javascript_build
+
+clean::
+	$(MAKE) -f $(TOP)/Makefile javascript_clean
+
+check:: build
+	$(MAKE) -f $(TOP)/Makefile JSCXXSRCS='$(JSCXXSRCS)' TARGET='$(TARGET)' \
+		TOP='$(TOP)' JS_SCRIPT='$(JS_SCRIPT)' javascript_run

Examples/javascript/template/binding.gyp

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+{
+  "targets": [
+    {
+      "target_name": "example",
+      "sources": [ "example_wrap.cxx" ]
+    }
+  ]
+}

Examples/javascript/template/example.h

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+/* File : example.h */
+
+// Some template definitions
+
+template<class T> T max(T a, T b) { return  a>b ? a : b; }
+
+template<class T> class vector {
+  T *v;
+  int sz;
+ public:
+  vector(int _sz) {
+    v = new T[_sz];
+    sz = _sz;
+  }
+  T &get(int index) {
+    return v[index];
+  }
+  void set(int index, T &val) {
+    v[index] = val;
+  }
+#ifdef SWIG
+  %extend {
+    T getitem(int index) {
+      return $self->get(index);
+    }
+    void setitem(int index, T val) {
+      $self->set(index,val);
+    }
+  }
+#endif
+};
+

Examples/javascript/template/example.i

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+/* File : example.i */
+%module example
+
+%{
+#include "example.h"
+%}
+
+/* Let's just grab the original header file here */
+%include "example.h"
+
+/* Now instantiate some specific template declarations */
+
+%template(maxint) max<int>;
+%template(maxdouble) max<double>;
+%template(vecint) vector<int>;
+%template(vecdouble) vector<double>;
+

Examples/javascript/template/runme.js

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+var example = require("./build/Release/example");
+
+//Call some templated functions
+console.log(example.maxint(3,7));
+console.log(example.maxdouble(3.14,2.18));
+
+// Create some class
+
+iv = new example.vecint(100);
+dv = new example.vecdouble(1000);
+
+for(i=0;i<=100;i++)
+      iv.setitem(i,2*i);
+
+for(i=0;i<=1000;i++)
+      dv.setitem(i, 1.0/(i+1));
+
+sum = 0;
+for(i=0;i<=100;i++)
+      sum = sum + iv.getitem(i);
+
+console.log(sum);
+
+sum = 0.0;
+for(i=0;i<=1000;i++)
+      sum = sum + dv.getitem(i);
+console.log(sum);
+
+delete iv;
+delete dv;